Mah Blog

#!/usr/bin/env ruby
 
%w[rubygems net/http activerecord].map { |r| require r}
Net::HTTP.version_1_2
 
# This is the http path to the page that would display the image
# I only do this so that the text files generated have clickable
# links if your view supports that.  If you just want ID #'s, 
# leave this blank!  ->  http_path = ""
http_path = "http://domain.tld/path/index.php?id="
 
ActiveRecord::Base.establish_connection(
    :adapter  =>  "mysql",
    :database =>  "dbname",
    :username =>  "user",
    :password =>  "password",
    :host     =>  "localhost"
)
class Group < ActiveRecord::Base
    set_table_name 'table_that_has_images'
end
 
# Quick note:  these files are in "append" mode, so if you plan on 
# running this script more than once, delete or rename the files
# between runs.
# Doesn't have an image in the first place
no_img = File.new("no_img.txt", "a")
# Dead img
dead = File.new("dead_img.txt", "a")
# Timed out
time = File.new("timed_out.txt", "a")
 
num = Group.last.ID
puts "There are #{num} groups total"
 
for i in (1..num)
    g = Group.find(i) rescue "none"
    if g == "none"
        puts "No Group ID #{i}"
        next
    else
        unless g.WikiImage =~ /^(http|https):/i
            # Doesn't have an image in the first place, might want 
            # to report this, also.
            no_img.puts("#{http_path}#{i}")
            puts "ID: #{i} -> No image in the first place"
        else
            # Rescues in case it times out... I think we can assume if 
            # that's the case, it's dead.
            res = Net::HTTP.get_response(URI.parse(g.WikiImage)) rescue "timeout!"
            # res.value returns an error for all values other than an 
            # HTTP 200 response.  So, this will probably also catch 
            # permanent re-directs, et al. :X
            test = res.value rescue "dead" 
            if test == "dead"          
                if res == "timeout!"
                    puts "ID: #{i} -> Timed Out"
                    time.puts("#{http_path}#{i}")
                else
                    dead.puts("#{http_path}#{i}")
                    puts "ID: #{i} -> Dead Img"
                end
            else
                puts "ID: #{i} -> Image fine"
            end
        end
    end
end
 
time.close()
dead.close()
no_img.close()